Is arraylist better than array?
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What do you mean by hash table?
What is a data structure node class?
How many types of data structure are there?
Explain the Linked List
Which sorting is best and why?
Of the following tree structure, which is, efficient considering space and time complexities? (a) Incomplete Binary Tree (b) Complete Binary Tree (c) Full Binary Tree (b) Complete Binary Tree.
Describe the merge sort principle and what will be its time complexity?
How do you sort an arraylist?
Define dynamic data structures?
What are splay trees?
Is null allowed in list?
Does concurrenthashmap allow null?